Noah Webster's New International Dictionary of the English Language
1. (a.) Set apart by solemn religious ceremony; especially, in a good sense, made holy; set apart to religious use; consecrated; not profane or common; as, a sacred place; a sacred day; sacred service.
2. (a.) Relating to religion, or to the services of religion; not secular; religious; as, sacred history.
3. (a.) Designated or exalted by a divine sanction; possessing the highest title to obedience, honor, reverence, or veneration; entitled to extreme reverence; venerable.
4. (a.) Hence, not to be profaned or violated; inviolable.
5. (a.) Consecrated; dedicated; devoted; -- with to.
6. (a.) Solemnly devoted, in a bad sense, as to evil, vengeance, curse, or the like; accursed; baleful.